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Lynna [10]
3 years ago
15

the length and width of a rectangular patio are (x+8) feet and (x+6) feet, respectively. If the area of the patio is 160 square

feet, what are the dimensions of the patio?
Mathematics
1 answer:
lorasvet [3.4K]3 years ago
6 0
<span>(x + 8)  (x + 6) = 160
x² +6x +8x +48 = 160
</span>x² +6x +8x +48 - 160 =0
<span>x² +14x -112=0

You have to calculate the discriminant.

(Please mark be brainliest)

</span>
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Hello there!

We can use the following expression:

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Step-by-step explanation:

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m_a_m_a [10]
3 (x + 7) =  5x - 2
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3 years ago
In 1971, there were 294,105 females participating in high school sports. Since then, that number has increased an average of 8.5
Hitman42 [59]

Answer:

First, we have to calculate how many years passed: 2015 - 1971 = 44 years.

So n = 44 and 8,5% = 0,085 so r = 1 + 0.085 = 1.085.

The starting population is 294,105 and the formula is:

y = 294,105 * r^n = 294,105 * 1.085^44 =

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Answer: In 2015 there were 10,651,503 females participating in high school sports.

Step-by-step explanation:

3 0
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